Spicy mushroom beef sauce

In the middle of nowhere, there's a pile of beef. It is clear that there is some improper preservation, and some parts of the surface are dry, showing the dark side of the wind. And this part of the skin is in poor color, and it's abandoned. Heaven is good, how can you throw it away? Stay behind, take them. Beef sauce, right? There's a simple approach, all kinds of material are in order, and there's no need for specialized procurement. I thought I'd steal a laziness, drop the mushrooms, have a pure meat sauce. However, everything was scheduled to stop, but the cold was asked: "Why not have some mushrooms? It smells better with mushrooms." Uh. How do you know there were mushrooms? The mushrooms had to be restored, but the mushrooms had to be removed in half because the other half was too thick to get enough water. It smells good. Maybe it'll taste better with that half of the mushroom. But that's good, it's relatively small, not to worry about eating too long。